Seiko Cal. 6677 - 675

Released in 1972, the Cal. 6677 with design code 675 was part of Seiko's domestic market collection. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-45b30e2de1ad]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1972

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